spandsp  0.0.6
private/tone_generate.h
1 /*
2  * SpanDSP - a series of DSP components for telephony
3  *
4  * private/tone_generate.h - General telephony tone generation.
5  *
6  * Written by Steve Underwood <steveu@coppice.org>
7  *
8  * Copyright (C) 2001 Steve Underwood
9  *
10  * All rights reserved.
11  *
12  * This program is free software; you can redistribute it and/or modify
13  * it under the terms of the GNU Lesser General Public License version 2.1,
14  * as published by the Free Software Foundation.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19  * GNU Lesser General Public License for more details.
20  *
21  * You should have received a copy of the GNU Lesser General Public
22  * License along with this program; if not, write to the Free Software
23  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24  */
25 
26 #if !defined(_SPANDSP_PRIVATE_TONE_GENERATE_H_)
27 #define _SPANDSP_PRIVATE_TONE_GENERATE_H_
28 
30 {
31  int32_t phase_rate;
32 #if defined(SPANDSP_USE_FIXED_POINT)
33  int16_t gain;
34 #else
35  float gain;
36 #endif
37 };
38 
39 /*!
40  Cadenced multi-tone generator descriptor.
41 */
43 {
45  int duration[4];
46  int repeat;
47 };
48 
49 /*!
50  Cadenced multi-tone generator state descriptor. This defines the state of
51  a single working instance of a generator.
52 */
54 {
56 
57  uint32_t phase[4];
58  int duration[4];
59  int repeat;
60 
61  int current_section;
62  int current_position;
63 };
64 
65 #endif
66 /*- End of file ------------------------------------------------------------*/
Definition: private/tone_generate.h:29
Definition: private/tone_generate.h:53
Definition: private/tone_generate.h:42